ATE484399T1 - Schreibgerät - Google Patents

Schreibgerät

Info

Publication number
ATE484399T1
ATE484399T1 AT04770836T AT04770836T ATE484399T1 AT E484399 T1 ATE484399 T1 AT E484399T1 AT 04770836 T AT04770836 T AT 04770836T AT 04770836 T AT04770836 T AT 04770836T AT E484399 T1 ATE484399 T1 AT E484399T1
Authority
AT
Austria
Prior art keywords
valve chamber
valve
valve element
reverse flow
prevention mechanism
Prior art date
Application number
AT04770836T
Other languages
German (de)
English (en)
Inventor
T Kobayashi
Original Assignee
Mitsubishi Pencil Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Pencil Co filed Critical Mitsubishi Pencil Co
Application granted granted Critical
Publication of ATE484399T1 publication Critical patent/ATE484399T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/10—Arrangements for feeding ink to the ball points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
    • B43K5/1827—Valves
    • B43K5/1836—Valves automatically closing
    • B43K5/1881—Valves automatically closing when the writing point points upwards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/02—Ink reservoirs; Ink cartridges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
AT04770836T 2003-08-25 2004-07-21 Schreibgerät ATE484399T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003300225 2003-08-25
PCT/JP2004/010326 WO2005018952A1 (fr) 2003-08-25 2004-07-21 Instrument d'ecriture

Publications (1)

Publication Number Publication Date
ATE484399T1 true ATE484399T1 (de) 2010-10-15

Family

ID=34213813

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04770836T ATE484399T1 (de) 2003-08-25 2004-07-21 Schreibgerät

Country Status (7)

Country Link
US (1) US7140799B2 (fr)
EP (1) EP1658999B1 (fr)
JP (1) JP4535450B2 (fr)
CN (1) CN100475551C (fr)
AT (1) ATE484399T1 (fr)
DE (1) DE602004029584D1 (fr)
WO (1) WO2005018952A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9981499B2 (en) * 2013-12-09 2018-05-29 Mitsubishi Pencil Company, Limited Ballpoint pen
US10889143B2 (en) 2016-10-28 2021-01-12 Ganesh Ram Jangir Refillable writing instrument

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS574373U (fr) * 1980-06-10 1982-01-09
JPS57136780U (fr) 1981-02-19 1982-08-26
JPH0452067Y2 (fr) 1985-10-25 1992-12-08
EP0626276B1 (fr) * 1993-03-18 1998-10-07 Mitsubishi Pencil Kabushiki Kaisha Stylo-pointe-bille
US5709493A (en) * 1993-03-18 1998-01-20 Mitsubishi Pencil Kabushiki Kaisha Ballpoint pen having a backflow preventing mechanism
JP3275217B2 (ja) 1993-07-06 2002-04-15 ゼブラ株式会社 インク逆流防止機構を備えたボールペン
JP3197422B2 (ja) 1994-02-28 2001-08-13 三菱鉛筆株式会社 ボールペン
EP0685348B1 (fr) * 1993-12-06 2000-04-05 Mitsubishi Pencil Kabushiki Kaisha Stylo a bille
FR2729966B1 (fr) * 1995-02-01 1998-12-04 Mitsubishi Pencil Co Encre dispersee dans l'eau, a faible viscosite, pour stylo a bille, et stylo a bille
JPH0976689A (ja) * 1995-09-14 1997-03-25 Mitsubishi Pencil Co Ltd ボールペン
JP3256130B2 (ja) * 1996-05-13 2002-02-12 株式会社壽 インク逆流防止機能を備えた筆記具
JP3507036B2 (ja) * 2001-01-18 2004-03-15 株式会社呉竹 筆記具
US20030156887A1 (en) * 2002-02-19 2003-08-21 Cantu Jason E. Back flow preventing mechanism for writing implement

Also Published As

Publication number Publication date
JP4535450B2 (ja) 2010-09-01
WO2005018952A1 (fr) 2005-03-03
JPWO2005018952A1 (ja) 2006-10-19
US7140799B2 (en) 2006-11-28
DE602004029584D1 (de) 2010-11-25
EP1658999A1 (fr) 2006-05-24
CN100475551C (zh) 2009-04-08
EP1658999B1 (fr) 2010-10-13
CN1842418A (zh) 2006-10-04
EP1658999A4 (fr) 2009-08-26
US20060182489A1 (en) 2006-08-17

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties